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pollinium
[ puh-lin-ee-uhm ]
noun
- an agglutinated mass or body of pollen grains, characteristic of plants of the orchid and milkweed families.
pollinium
/ pəˈlɪnɪəm /
noun
- a mass of cohering pollen grains, produced by plants such as orchids and transported as a whole during pollination
pollinium
/ pŏ-lĭn′ē-əm /
, Plural pollinia
- A mass or packet of pollen grains specialized for transfer to other flowers as a unit by pollinating insects. Orchids and milkweeds produce pollinia.
Word History and Origins
Origin of pollinium1
Word History and Origins
Origin of pollinium1
Example Sentences
The grand prize in the lottery is a packet called a pollinium.
As flowers evolved intricate structures to attach pollinia—some orchids stick them smack between the eyes of their favorite insect species, for instance—reproductive barriers likely formed, giving birth to new species.
Anthers tipped with an inflexed or sometimes erect scarious membrane, the cells lower than the top of the stigma; pollinia suspended.
Referring to Crüger's letters from Trinidad, he wrote:—"Happy man, he has actually seen crowds of bees flying round Catasetum, with the pollinia sticking to their backs!"
The seed vessel to be fertilized is very sticky, "but not so viscid as when touched by a pollinium to pull the whole off an insect's head."
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